1.expert on drought in the WG of Climate Related Matters at WMO RA VI 2006-2009
2.expert on drought in the Drought Management Task Force of WMO RA VI 2010-
3.editorial member of 'Idojárás' 1998-
4.member of Agricultural Water Management Committee of the Hungarian Academy of Sciences 2000-
5.member of Meteorological Scientific Committee of the Hungarian Academy of Sciences 2008-